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  • 23-08-2018
  • Mathematics
contestada


[tex]71 - 5x = 9x - 13[/tex]

Respuesta :

Piinoy
Piinoy Piinoy
  • 24-08-2018

You need to isolate x.


71 - 5x = 9x - 13

Add 13 to both sides.

84 - 5x = 9x

Add 5x to both sides.

84 = 14x

Divide both sides by 14.

6 = x


The answer is x = 6.

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